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rewrote vector/quadword storage, it was incompatible with gcc compiler (causing some run-time problems)

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ejcoumans
2007-09-11 20:40:55 +00:00
parent cf3da19ee4
commit a7841c7775
3 changed files with 50 additions and 133 deletions
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79
src/LinearMath/btVector3.h
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@@ -405,56 +405,59 @@ public:
///btSwapVector3Endian swaps vector endianness, useful for network and cross-platform serialization
SIMD_FORCE_INLINE void btSwapVector3Endian(const btVector3& source, btVector3& dest)
SIMD_FORCE_INLINE void btSwapVector3Endian(const btVector3& sourceVec, btVector3& destVec)
{
#ifdef BT_USE_DOUBLE_PRECISION
unsigned char tmp[8];
btSwapEndianDouble(source.getX(),tmp);
dest.setXValueByLongInt(tmp);
btSwapEndianDouble(source.getY(),tmp);
dest.setYValueByLongInt(tmp);
btSwapEndianDouble(source.getZ(),tmp);
dest.setZValueByLongInt(tmp);
btSwapEndianDouble(source[3],tmp);
dest.setWValueByLongInt(tmp);
unsigned char* dest = (unsigned char*) &destVec;
unsigned char* src = (unsigned char*) &sourceVec;
dest[0] = src[7];
dest[1] = src[6];
dest[2] = src[5];
dest[3] = src[4];
dest[4] = src[3];
dest[5] = src[2];
dest[6] = src[1];
dest[7] = src[0];
#else
unsigned int tmp;
tmp = btSwapEndianFloat(source.getX());
dest.setXValueByInt(tmp);
tmp = btSwapEndianFloat(source.getY());
dest.setYValueByInt(tmp);
tmp = btSwapEndianFloat(source.getZ());
dest.setZValueByInt(tmp);
tmp = btSwapEndianFloat(source[3]);
dest.setWValueByInt(tmp);
unsigned char* dest = (unsigned char*) &destVec;
unsigned char* src = (unsigned char*) &sourceVec;
dest[0] = src[3];
dest[1] = src[2];
dest[2] = src[1];
dest[3] = src[0];
#endif //BT_USE_DOUBLE_PRECISION
}
///btUnSwapVector3Endian swaps vector endianness, useful for network and cross-platform serialization
SIMD_FORCE_INLINE void btUnSwapVector3Endian(btVector3& vector)
{
#ifdef BT_USE_DOUBLE_PRECISION
const unsigned char* tmp;
tmp = vector.getLongIntXValue();
vector.setX( btUnswapEndianDouble(tmp));
tmp = vector.getLongIntYValue();
vector.setY( btUnswapEndianDouble(tmp));
tmp = vector.getLongIntZValue();
vector.setZ( btUnswapEndianDouble(tmp));
tmp = vector.getLongIntWValue();
vector[3] = btUnswapEndianDouble(tmp);
btVector3 swappedVec;
unsigned char* dest = (unsigned char*) &swappedVec;
unsigned char* src = (unsigned char*) &vector;
dest[0] = src[7];
dest[1] = src[6];
dest[2] = src[5];
dest[3] = src[4];
dest[4] = src[3];
dest[5] = src[2];
dest[6] = src[1];
dest[7] = src[0];
vector = swappedVec;
#else
unsigned int tmp;
tmp = vector.getIntXValue();
vector.setX( btUnswapEndianFloat(tmp));
tmp = vector.getIntYValue();
vector.setY( btUnswapEndianFloat(tmp));
tmp = vector.getIntZValue();
vector.setZ( btUnswapEndianFloat(tmp));
tmp = vector.getIntWValue();
vector[3] = btUnswapEndianFloat(tmp);
btVector3 swappedVec;
unsigned char* dest = (unsigned char*) &swappedVec;
unsigned char* src = (unsigned char*) &vector;
dest[0] = src[3];
dest[1] = src[2];
dest[2] = src[1];
dest[3] = src[0];
vector = swappedVec;
#endif //BT_USE_DOUBLE_PRECISION
}
#endif //SIMD__VECTOR3_H